Victoria Heavy Vehicle Knowledge Test Practice 2026: Practice test 3

Practice test 3 of 3 for the Victoria Heavy Vehicle Knowledge Test Practice: 25 more questions with answers and explanations.

Commercial vehicle
Victoria
90 questions
Checked October 11, 2026

Question 1 of 25
What is the general maximum height for a heavy vehicle and its load?
- 3.5 metres
- 5 metres
- 4.3 metres
- 6 metres
Show answer
Answer: C. 4.3 metres
The general height limit is 4.3 metres. Some vehicles may go up to 4.6 metres only under a notice or permit on approved routes.
Question 2 of 25
Which vehicles may display a 'Do not overtake turning vehicle' sign?
- Vehicles 7.5 metres or longer
- Only buses
- Any vehicle over 4.5 tonnes GVM
- Any truck
Show answer
Answer: A. Vehicles 7.5 metres or longer
Only vehicles 7.5 metres or longer may display the sign. Shorter vehicles must turn within the marked lanes.
Question 3 of 25
Which truck is a fatigue-regulated heavy vehicle?
- A truck with a GVM over 12 tonnes
- Only a B-double
- Any truck with a GVM over 4.5 tonnes
- Only a truck carrying dangerous goods
Show answer
Answer: A. A truck with a GVM over 12 tonnes
Trucks over 12 tonnes GVM, and truck and trailer combinations over 12 tonnes combined GVM, are fatigue-regulated.
Question 4 of 25
Your truck breaks down on a two-way road. Where should you place the three warning triangles?
- One at the front, one at the side and one at the rear
- All three behind the truck
- One in front only
- On the roof of the cabin
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Answer: A. One at the front, one at the side and one at the rear
On a two-way road, place one triangle in front, one beside and one behind the vehicle so traffic from both directions is warned.
Question 5 of 25
A customer's contract would make a driver break the speed limit to arrive on time. Is this allowed?
- Yes, if the load is urgent
- Only for short trips
- Yes, if the driver agrees
- No, contracts must not require or encourage a driver to break the law
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Answer: D. No, contracts must not require or encourage a driver to break the law
Under the chain of responsibility, a contract or schedule must not require a driver to speed, drive while tired or break other road laws.
Question 6 of 25
Which regulation sets the maximum work and minimum rest times for drivers of fatigue-regulated heavy vehicles?
- The Load Restraint Guide
- The Australian Design Rules
- Each employer's own policy
- The Heavy Vehicle (Fatigue Management) National Regulation
Show answer
Answer: D. The Heavy Vehicle (Fatigue Management) National Regulation
Work and rest limits come from the Heavy Vehicle (Fatigue Management) National Regulation under the Heavy Vehicle National Law.
Question 7 of 25
Under standard hours, what is the most a solo truck driver may work in any 11 hours?
- 10 hours
- 11 hours
- 9 hours
- 10 hours 45 minutes
Show answer
Answer: A. 10 hours
In any 11 hours you may work up to 10 hours and must rest for at least 60 minutes, in blocks of 15 minutes or more.
Question 8 of 25
How far may a load project in front of a heavy vehicle?
- No more than 150 mm
- No more than 1.2 metres
- No more than 3 metres
- It may not project at all
Show answer
Answer: B. No more than 1.2 metres
A load must not project more than 1.2 metres in front of the vehicle.
Question 9 of 25
May you use the trailer hand brake for normal braking?
- Only on downhill grades
- Yes, it saves the prime mover's brakes
- No, it must not be used for normal braking
- Only on wet roads
Show answer
Answer: C. No, it must not be used for normal braking
The trailer hand brake is not for normal braking. Overusing it can overheat the trailer brakes and cause a jack-knife.
Question 10 of 25
Under standard hours, what rest must a solo truck driver take in any 8-hour period?
- No rest is needed until 11 hours
- 30 minutes, in blocks of at least 15 minutes
- 60 minutes in one block
- 15 minutes
Show answer
Answer: B. 30 minutes, in blocks of at least 15 minutes
In any 8 hours, you may work up to 7½ hours and must rest for at least 30 minutes, taken in blocks of 15 minutes or more.
Question 11 of 25
Up to what length may a B-double run under the applicable notice or approval?
- 53.5 metres
- 19 metres
- 22 metres
- 26 metres
Show answer
Answer: D. 26 metres
A B-double that meets the conditions may be up to 26 metres long. Combinations over 22 metres must display a sign.
Question 12 of 25
Your work diary is lost or stolen. Whom must you tell, and how soon?
- No one, if you buy a new diary
- The police, within 30 days
- Your insurer, within a week
- The National Heavy Vehicle Regulator (NHVR), within 2 business days
Show answer
Answer: D. The National Heavy Vehicle Regulator (NHVR), within 2 business days
Notify the NHVR within 2 business days. You may use a supplementary record for up to 7 days.
Question 13 of 25
Outside a built-up area, how far must a long vehicle (not a road train) stay behind another long vehicle, unless overtaking?
- At least 200 metres
- At least 500 metres
- At least 60 metres
- At least 20 metres
Show answer
Answer: C. At least 60 metres
Long vehicles must stay at least 60 metres behind another long vehicle, so cars can overtake one at a time. This does not apply on multi-lane roads, in built-up areas or when overtaking.
Question 14 of 25
A load restraint system must be able to hold the load against a sideways force of what share of the load's weight?
- 80%
- 50%
- 10%
- 20%
Show answer
Answer: B. 50%
Sideways and rearward forces of 50% of the load's weight must be resisted. Forward it is 80%, and upward 20%.
Question 15 of 25
What crash avoidance space should a heavy vehicle driver keep on a wet road or at night?
- 5 seconds or more
- 3 seconds
- 2 seconds
- The same as in good conditions
Show answer
Answer: A. 5 seconds or more
On wet, icy or unsealed roads, or at night, increase your gap to 5 seconds or more.
Question 16 of 25
For the following-distance rules, what is a 'long vehicle'?
- A vehicle, together with any load or trailer, that is 7.5 metres or longer
- Any vehicle over 4.5 tonnes
- Any vehicle with three or more axles
- Any vehicle longer than 12.5 metres
Show answer
Answer: A. A vehicle, together with any load or trailer, that is 7.5 metres or longer
A long vehicle is 7.5 metres or longer, including any load and trailer.
Question 17 of 25
What is the general maximum width of a heavy vehicle and its load?
- 3 metres
- 2.2 metres
- 3.5 metres
- 2.5 metres
Show answer
Answer: D. 2.5 metres
The general width limit is 2.5 metres. Mirrors, signalling devices and tyre pressure monitors are not counted.
Question 18 of 25
For a vehicle over 4.5 tonnes GVM, how far may the rear overhang, including the load, extend?
- No more than 1 metre
- Any distance if a flag is fitted
- No more than 60% of the wheelbase or 3.7 metres, whichever is less
- No more than the length of the tray
Show answer
Answer: C. No more than 60% of the wheelbase or 3.7 metres, whichever is less
Rear overhang must not be more than 60% of the wheelbase or 3.7 metres, whichever is less.
Question 19 of 25
Unless a sign says otherwise, which vehicles does a 'No trucks' sign apply to?
- Vehicles over 4.5 tonnes GVM
- Only vehicles with dangerous goods
- Only articulated vehicles
- Vehicles over 12 tonnes GVM
Show answer
Answer: A. Vehicles over 4.5 tonnes GVM
A 'No trucks' sign applies to vehicles over 4.5 tonnes GVM unless the sign shows a different mass.
Question 20 of 25
Which bus is a fatigue-regulated heavy vehicle?
- Any bus with more than 8 seats
- Only a school bus
- Only a double-decker bus
- A bus over 4.5 tonnes GVM built to seat more than 12 adults, including the driver
Show answer
Answer: D. A bus over 4.5 tonnes GVM built to seat more than 12 adults, including the driver
A bus is fatigue-regulated when it has a GVM over 4.5 tonnes and seats more than 12 adults including the driver.
Question 21 of 25
When turning with a long vehicle at a marked intersection, how should you position it?
- With the trailer across two lanes behind you
- So vehicles behind cannot pass on the left
- So vehicles behind can pass you on the left
- Always in the far right lane
Show answer
Answer: B. So vehicles behind cannot pass on the left
Block the space on the left so a car or cyclist cannot move up beside your trailer while you turn.
Question 22 of 25
What counts as a 'night rest' under the fatigue rules?
- 7 continuous hours of stationary rest between 10 pm and 8 am, or 24 continuous hours of stationary rest
- 8 hours of rest at any time of day
- Any 4 hours of sleep
- Any rest taken in the sleeper berth while the vehicle moves
Show answer
Answer: A. 7 continuous hours of stationary rest between 10 pm and 8 am, or 24 continuous hours of stationary rest
A night rest is 7 continuous hours of stationary rest taken between 10 pm and 8 am, or a 24-hour continuous stationary rest.
Question 23 of 25
A sign says 'TRUCKS & BUSES MUST USE LOW GEAR'. Which vehicles must obey it?
- Only buses with passengers
- Only road trains
- All vehicles towing a trailer
- Trucks and buses with a GVM over 4.5 tonnes
Show answer
Answer: D. Trucks and buses with a GVM over 4.5 tonnes
The sign applies to trucks and buses over 4.5 tonnes GVM. Use a gear low enough to control speed without riding the brakes.
Question 24 of 25
A load projects more than 1.2 metres behind your truck. What warning must you show at night?
- No warning is needed at night
- A red light at the end of the load, visible from 200 metres
- Hazard lights only
- A white light visible from 50 metres
Show answer
Answer: B. A red light at the end of the load, visible from 200 metres
At night, a projecting load needs a red light visible from 200 metres. In daylight, use a brightly coloured flag at least 300 mm on each side.
Question 25 of 25
Why does a long truck swing wide when turning left at an intersection?
- To let cars pass on the left
- To stop the rear wheels running over the kerb or hitting objects
- To slow down traffic behind
- Because heavy vehicles must use the right lane
Show answer
Answer: B. To stop the rear wheels running over the kerb or hitting objects
The rear wheels track inside the front wheels. Going further into the intersection before turning stops them mounting the kerb.

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